66556280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{237701}}^1$

素因数の和:237719

約数の個数: 32

約数和(自身を含む): 171145440

約数和(自身を除く): 104589160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 237701, 475402, 950804, 1188505, 1663907, 1901608, 2377010, 3327814, 4754020, 6655628, 8319535, 9508040, 13311256, 16639070, 33278140, 66556280]

約数ペア:

[(1, 66556280), (2, 33278140), (4, 16639070), (5, 13311256), (7, 9508040), (8, 8319535), (10, 6655628), (14, 4754020), (20, 3327814), (28, 2377010), (35, 1901608), (40, 1663907), (56, 1188505), (70, 950804), (140, 475402), (280, 237701)]